$ git clone -n https://src.fedoraproject.org/rpms/xorg-x11-drv-ati.git /var/lib/mock/f45-build-38999-731/root/chroot_tmpdir/scmroot/xorg-x11-drv-ati
Cloning into '/var/lib/mock/f45-build-38999-731/root/chroot_tmpdir/scmroot/xorg-x11-drv-ati'...
$ git fetch origin 33c40e1ce15600fb68f0901f5e2e1ccc2aba92ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xorg-x11-drv-ati
 * [new ref]         33c40e1ce15600fb68f0901f5e2e1ccc2aba92ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33c40e1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild